Programming Articles - Page 1950 of 3366

A button controls in user interface applications, in general, on clicking the button it performs the respective action. You can create a Button by instantiating the javafx.scene.control.Button class.Adding image to a buttonYou can add a graphic object (node) to a button using the setGraphic() method of the Button class (inherited from javafx.scene.control.Labeled class). This method accepts an object of the Node class representing a graphic (icon).To add an image to a button −Create an Image object bypassing the path for the required graphic.Create an ImageView object using the image object.Create a button by instantiating the Button class.Finally, invoke the setGraphic() ... Read More

A button controls in user interface applications, in general, on clicking the button it performs the respective action.You can create a Button by instantiating the javafx.scene.control.Button class. Using this class, you can create three kinds of buttons. They are −Normal − A regular button that triggers respective action (if any) when pressed.Default − In case of in focus this button is triggered when the Enter button is pressed. You can set a button as the default button bypassing “true” as a value to the setDefaultButton() method.Cancel −In case of in focus this button is triggered when the Esc button is ... Read More

In JavaFX the javafx.scene.control package provides various nodes (classes) specially designed for UI applications and these are re-usable. You can customize these and build view pages for your JavaFX applications. example: Button, CheckBox, Label, etc.A button is control in user interface applications, in general, on clicking the button it performs the respective action.You can create a Button by instantiating the javafx.scene.control.Button class of this package and, you can set text to the button using the setText() method.Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.paint.Color; import javafx.stage.Stage; public class ButtonExample extends Application {    @Override    public void start(Stage ... Read More

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.The preserveRatio property of the ImageView class (boolean) specifies whether the aspect ratio of an image should be preserved, while displaying it using the current ImageView object. You can set the value to this property using the setPreserveRatio() method.By default, the value of this property is true, i.e. though you change the width or height of the image, the aspect ratio of the displayed ... Read More

JavaFX provides two interface namely PixelReader and PixelWriter in the javafx.scene.image. Using the methods provided by them you can read and write the contents of an image such as pixels, color values, etc.You can get the objects of these interfaces using the getPixelReader() and getPixelWriter() methods respectively.To invert an image −Create an InputStream object by passing the URL(String) of the required image.Instantiate the Image class bypassing the above-created input stream object as a parameter.Get the PixelReader and PixelWriter objects of the loaded image using the respective methods.Read each color value of the image using the getColor() method of the ImageReader ... Read More

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.The fitHeight property of the image view node represents the height of the bounding box within which you need to have displayed the image. You can set the value to this property using the setFitHeight() method.The fitWidth property of the image view node represents the width of the bounding box within which you need to have displayed the image. You can set the value ... Read More

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.To display an image in JavaFX −Create a FileInputStream representing the image you want to load.Instantiate the Image class bypassing the input stream object created above, as a parameter to its constructor.Instantiate the ImageView class.Set the image to it by passing above the image object as a parameter to the setImage() method.Set the required properties of the image view using the respective setter methods.Add the ... Read More

You can apply colors to shapes in JavaFX using the setFill() method it adds color to the interior of the geometrical shapes or background.This method accepts an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.RadialGradient class in JavaFX is a subclass of the Paint and using this you can fill a shape with a circular color gradient pattern.To apply a radial gradient pattern to a geometrical shape −Instantiate the RadialGradient class by passing the required parameters.Set the created ... Read More

You can apply colors to shapes in JavaFX using the setFill() method it adds color to the interior of the geometrical shapes or background.This method accepts an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.LinearGradient class in JavaFX is a subclass of the Paint and using this you can fill a shape with a circular linear-gradient pattern.To apply a radial gradient pattern to a geometrical shape −Instantiate the LinearGradient class by passing the required parameters.Set the created gradient ... Read More

You can apply colors to geometrical shapes in JavaFX using the setFill() and setStroke() methods. The setFill() method adds color to the interior area of the shape whereas the setStroke() method applies color to the boundary of the node.Both methods accept an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.ImagePattern class in JavaFX is a subclass of the Paint and using this you can fill a shape with an image.To apply image pattern to a geometrical shape −Create an ... Read More